* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 100px;
}

body {
  font-size: 16px;
}

img {
  display: block;
  width: 100%;
  height: 100%;
}

.box {
  width: 100vw;
  max-width: 768px;
  margin: 0 auto;
  box-sizing: border-box;
  border: 1px solid red;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.box .item {
  width: calc((100% - 2px) / 5);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.box .item > div {
  display: flex;
  justify-content: center;
  align-items: center;
}

.box .item > div:nth-child(1) {
  width: 80%;
  height: calc(20vw * 80%);
}

.box .item > div:nth-child(2) {
  height: calc(20vw * 20%);
  font-size: 0.14rem;
}
